Cobalt Calm PT- Plush King Mattress by Serta PerfectSleeper

Get back to restful sleep with the Cobalt Calm PT- Plush King Mattress by Serta PerfectSleeper. Made with four comfort layers — PillowSoft® Aire, Cool Twist® Gel Foam, Deep Reaction™ Memory Foam, and Cool Twist® Gel Memory Foam — this powerful mattress delivers on comfort. Its PillowSoft® Aire layer offers enhanced cushioning, and its Cool Twist® Gel Memory Foam enhances airflow and heat dissipation, giving you cool, contouring comfort all night long.

About Deep Reaction Memory Foam: a new material designed to provide a more substantial feel, which is not normally found in traditional memory foam.

About PillowSoft® Aire: Soft foam provides enhanced cushioning for exceptional comfort and promotes airflow through its unique, gently rippling design.

About Cool Twist® Gel Memory Foam: This breathable memory foam helps enhance airflow and heat dissipation for a feeling that can only be described as a cool, contouring type of comfort.

About 3-Zoned Coil Design: This coil density system offers three support zones with targeted support for your lower back, hips and cradled comfort everywhere else.

Comfort Layers:

- PillowSoft® Aire

- Cool Twist® Gel Foam

- Deep Reaction™ Memory Foam

- Cool Twist® Gel Memory Foam

- 850 3-Zoned Coil Design